Coin-operated telephone attachment.



E. E. MURRAY. COIN OPERATED TELEPHONE ATTACHMENT.

APPLICATION FILED JULY3I, I912.

Patented June 13, 1916.

6 SHEETS-SHEET I. v

E. E. MURRAY.

com OPERATED TELEPHONE ATTACHMENT.

' APPLICATION FILED JULY 31,1912. 1,186,929. I Patented June 13, 1916.

6 SHEETS-SHEET 2- E. E. MURRAY. COIN OPERATED TELEPHONE ATTACHMENT.

Q 6 1 m H u n 1 M m DU t 6 m m m v m \\M E W n l H l M W l W 9 2 m mx 1 u 1 Q *m .E. -E. MURRAY. COIN OPERATED TELEPHONE ATTACHMENT. I APPLICATION FILED JULY 31,1912. 1,1 86,929. Patented June 13, 1916.

6 SHEETS-SHEET4.

Illll THE COLUMBIA PLANoaRAPH 50., WASHINGTON, D. c.

E. E- MURRAY. com OPERATED TELEPHONEATTACHMENT.

APPLICATION FILED JULY 31,1912. 1,186,929. Patented June 13, 1916.

6 SHEETSSHEET5- 6/66?? A W I I. Iva

E. E. MURRAY.

r COIN OPERATED TELEPHONE ATTACHMENT.

APPLICATION FILEDJULY 31.1912.

Patented June 13, 1916. 5 $HEETS-SHEET 6. IIq-TLE Iq li 55 fl I J as I @4 54 5 9L 75 THE COLUMBIA PLANOGRAPN cm. WASHINGTON, D. c.

UNITED STATES PATENT GFFICE.

ELMER MURRAY, or SHAWVILLE, PENNSYLVANIA.

I COIN-OPERATED TELEPHONE ATTACHMENT.

To all whom it may concern:

Be itknowii that 1, Emma E. MURRAY, a citizen of the United States, residing at Shawville, in the county of Clearfield, State of Pennsylvania, have inventedcertain new and useful Improvements in Coin-Operated Telephone Attachments; and I do hereby declare the following to be a full, clear, and exact description of'the invention, such as will enable others skilled in the art to which it appertains tomake and use the same.

' This invention relates to improvements in" coin-operated telephone attachments.

The principal object of the invention is to provide an attachment for telephones which will prevent access thereto without the payment ofa predetermined sum of money.

Another object of the invention is to provide an attachment of the character described by means of which a coin deposited by the proper person may be received back by him after he has gained access to the telephone.

Anotherobiect of the invention is to provide a signal which is adapted to be automatically actuated whenever a person withdraws the coin from the attachment.

A further. ob ect of the invention is to provide a register for indicating the number of times the telephone has been used.

A still further object of the invention is to provide tin-attachment of the character described which is capable of being readily novel combination of parts hereinafter fully described, illustrated in the accompanying drawings and pointed out in the claims hereto appended; it being understood that various changes in the form, proportion, size and minor details of construction within the scope of the claims may be resorted to with out departing from the spirit or sacrificing any ofthe advantages of the invention.

In the drawings: Figure 1 is a perspective view. showing the application of my in-' vention, Fig. 2 is a front elevation of the attachment, partly in section, the door being removed to better disclose the invention, Fig. 3 is a rear elevation thereof, the back wall being removed, Fig. 4 is a transverse.

sectional view through one of the coin 'chutesshowing a coin deposited in its'initial Specification of Letters Patent.

the plunger sections depressed through the medium of the coin, Fig.v 6 is a similar. view Patented June 13, 1916.

Application filed July 31, 1912. Serial No. 712,588.

tion elevated to permit the coin to be re-. leased, Fig. "11s a transverse sectional view ,7

showing the door latch in itsoperative position, Fig. 8 is a similar view, but showing the latch in its inoperative position, Fig. 9 is a detail vertical sectional view through the coin chute showing the coin-deflecting valve in its inoperative position,,Fig. 10 is" a similar view but showingthe coin-defiecting valve in its operativeposition, Fig- 11 is a detail cross sectional view showing the bell vibrating lever in its inoperative position, Fig. 12 is a similar view but showing the bell vibrating lever in its operative posi: tion, Fig. 13 is a detail vertical sectional view showing the means for actuating the coin-deflecting valve and signal, Fig. 14 is a detail horizontal sectional view taken on the line 141 l.of Fig. 2, Fig. 15 is a transverse sectional view showing the register and its actuating means, the latter being shown in its inoperative position, Fig. 16

. is a similar view but'showing the actuating meansin its operative position, Fig. 17 is a perspective view of the pawl-carrying rod of the register actuating mechanism, Fig.

18 is aperspective view of the rocking ele-.

merit associated with the door latch, Fig. 19 is a perspective view of the coin-deflecting lever and valve, and Fig. 20 is a perspective view of the plunger actuating ineans and lever. I

. Like reference numerals designate corresponding parts in all the figures I of. the drawings.

Referring to the drawings, A designates an ordinary wall telephone which includes the usual casing '5, transmitter 6, receiver hook 7, receiver 8, magneto crank shaft 9 and crank handle 10; c T I My invention comprises ,a coin-operated telephone attachment, which is designated as a whole by the reference letter B. This attachment includes a casing which coni tom 13 is a horizontal partition 15,. and slidably' mounted betwen the bottoin13 and partition 15 is a cash drawer 16, which is provided with an ordinary lock 17 and knob 18. Centrally disposed between the partition 15 and top 12 is a horizontal partition i I .10 r

. is formed i-with an opening 22 for receiving 19 which forms resultant upper and lower compartments.

The lower compartment is 7 divided by a transverse partition 20, andone Jof'these subcompartments is divided by a longitudinal partition 2l,said partitions 2O ',and21 thereby forming resultant sub-conipartments C,"Dan d E. This casing is securedtoa'wall on that side of the telephone A from which the magneto crank shaft 9 extends, and the wallll adjacent the telephone SllELftQ r It will thus be observed that 'l fthe hand c1jank10 is disposed-within the a compartinent"C: of the cas ng.

Connected to one of theside walls 11 by hinges 23 is. a; front door. 24,,and secured to the inner fa'c'e o f this. door and registering with the upper compartment of the casing 1 is akeeper platev25' having an upwardly extending lateral end 26 projecting inwardly andformed with an opening 27 for receiv- I ing the hook28'of a latch lever 29 which is 34respectively, the latter being formed with an outwardly extending lateral end which terminates in a'pivot pin 36. The ele-' ment 31 is arrangedto embrace-the transverse partition 20, the short leg 33 thereof iron being pivotally connected to one wall 11, as.

at: 37, within the compartment C, and the long leg 34 being pivotally connected, as at t 38, to 'thepart'ition 20. A rod 39 is pivotal'ly connected at its ends to the ends of the latch lever-29 opposite the hook 28, and

at its other end to the connecting portion 32 of therocking'element 81. The length of therod 3 9 is'such that when .the hook 28 of the latch lever 29' is engaged with the keeper plate J25,-the pivot pin'36 of the rocking ele- :fkeeper 25' by nieans-of-a coil spring 40, one

. 1nent'31 is dispose'din a plane above the connecting portion 32.v The latch lever 29 is yieldably held in engagement with the endthereof being connected to theconnecti ing portion 32 ofthe rocking element 31 and the other endbeing connected to the horizontal partition 15. It will thus be observed ithat when downward --pressure is exerted upon the pivot pin 36, the element 31 will be 55. k p latch lever'29 will be rocked upon its fulrocked upon its pivots 37-and 38against'the tension-ofthe spring 40, and as-a result, the

0m 30 so as to disengage the hook 28 {from the opening 27 of the keeper plate 25,

'therebyiunlatching the door 24. The top 12 has its front portion beveled downwardly, asat "12 ,-and formed in this portion are spaced coin-receiving openings 41 and-42-ofldifferent lengths for accommodating coins of different diameters. Formed in the horizontal partition 19 and in rear of the longitudinal partition 21 is a spaced pair of coin-receiving openings 4343. Respectively registering with the openings 41 and 42 and the openings 43 are coin chutes, which are each indicated as a whole by the reference numeral 44. Each chute includes opposedtransversely disposed plates which are connected at their ends to the beveled portion 12? of the top 12 and to the horizontal partition 19. In order-to guide a coin from the opening41 to the opening43, there is mounted between the plate 45 a downwardly inclined spacing block 46 which is formed with a beveled edge 47 that is arranged in a vertical plane for a purpose hereinafter described. Also disposed between the rear edges of the plates 45 is a vertical strip 48 which forms a stop as well as a guide for directing a coin 49 into the opening 43. The strip 48 is formed with an enlarged angular upper end 50 and the front edge 51 thereof is disposed in a vertical plane and above the beveled edge 47 of the strip 48. v a t Disposed between the plates 45 of each chute is a plunger consisting of lower and upper sections 52 and 53 respectively. The lower section 52 includes a head 54 and a shank 55. The head 54 has sliding engagement with the beveled end 47 of the strip 46, and is formed with a rearwardly and downwardly. beveled upper end 54. The shank 52 extends downwardly through an openlng 56 formed in the horizontal partition 19, and has its lower end extending through anopening 57 formed in the horizontal partition 15, the openings 56 and 57 serving to hold the lower section. 52 vertically. The shank 55 is formed with a plurality of spaced openings 58; The pivot pin 1 36 of the rock element31 projects'through anyalined pair of openings 58 of the lower sectlon 52. Thus it will be seen that upon downward pressure upon either of the sections 52 the latch 29 will be actuated. The upper plunger section 53 of each plunger is ,dlsposed in vertical alinement with the lower section 52, and operates against the vertical edge 51 of the head 50. The rear portion of the lower end of the upper section is formed with a curved finger 59 which serves as a stop for the coin 49, and thereby holds said coin intermediate the upper and lower sections. The front portion of the upper end of the upper section 53 is beveled, as at 60, and spaced from the strip 46 thereby insuring a suflicient passage for the coin 49.

In order to actuate the upper plunger sections 53 simultaneously, the following mechanism is employed: Secured to the sinner faces of the sidewalls 11 of the casing shaft 62 which is formed from flat metal. A finger lever63 has one end fixedly secured to the rock shaft 62, and this lever extends forwardly and terminates in an upwardly extending finger piece 64 which passes through an opening 65 formed in the top 12 of the casing. A rocker arm 66 has oneend fixedly connected to the rock shaft 62. This arm extends forwardly between the coin chutes, and is pivotally connected to the upper ends of the upper plunger sections 53 by means of a transverse pin 67. In order to normally hold the upper plunger sections 53 in their initial positions, as clearly shown in Fig. 4 of the drawings, a transversely disposed flat spring 68 is secured at itsrear end to the rock shaft 62 by any suitable means. The forward end of this spring68 is fixedly connected to the top 12 of the casing, by means of a bolt 69 or other suit able fastening means. It will thus beobserved that upon depression of the finger piece 64, the finger lever 63 will cause the rock shaft 62 to be rocked against the tension of the flat spring 68, and this shaft, through the medium of the arm 66 and pin 67, will cause the upper plunger sections 53 to be simultaneously moved downwardly toward the lower plunger sections 52 so that should a coin 49 be positioned between the upper and lower sections of either plunger, the rocking element 31 will be actuated and consequently the door 24 will be unlatched.

In order to assist the door 24 in opening when unlatched, a flat spring 24 is secured to the front edge of the transverse partition 20, and this spring normally bears against the door 24 to urge the latter outwardly when released from engagement with the latch lever 29. Formed in the partition 15 directly below the coin openings 43 is a coin opening 70, and disposed between the partitions 15 and 19 and registering with the openings 43 and 70 thereof is a coin chute 71 which serves to direct the coin 49 into the cash drawer 16.

plunger section 53 after thelower plunger section has been depressed, the finger lever 66 is elevated to the position shown in Fig. 6 of the drawings,thereby raising the upper plunger section 53 above the coin 49 so as to give sufficient clearance for said coin to roll off the beveled end 54 of the head 54 of said lower section from whence said coin can pass through the opening 43 through the coin chute 71 and thence through the opening 70 into the cash drawer 16. The flat spring-'68 will then serve to return the finger lever 66 and upper sections 53 to their normal positions- I From the foregoing,

I it will be observed that when it is desired to gain access to the crank 1.0 of the magneto shaft 9- so as to call tition is a bearing plate 73 having one end extending across said opening and formed with a key-hole 74. A rock shaft 75 which is formed from a single piece of fiat metal, is mounted in the opening 7 2 and terminates at its forward end in a hand lever 7 6'. The shaft 75 has its rear end reduced to form a trunnion 77 which is rotatably supported in a bracket 78 that is secured to thetransverse partition 20.

' lever 76 is formed with a transverse slot 79,

said slot forming a consequent reduced portion 80 which is rotatably mounted within the key-hole slot 74 of the bearing plate 73, the slot 79 receiving the free end of the plate -73 to create an interlocking connection between said plate and the lever. Secured to the rear end of the shaft 75 is a coin-deflecting valve 81 which projects inwardly through an opening 82 formed in the'coin chute 71.

Fixed to the shaft 75 is a rocker arm 83 which is formed with a plurality of openings 84. A coil spring 85 has one end connected in one of the openings 84,'and has its other end fixedly connected to the horizontal partition 19. Thisspring serves to yieldably r'e-- tain the valve 81 against the opening 82 of the chute 71. When, however, it is desired to withdraw a coin, the rock shaft '7 5 is rocked by the hand lever 7 6', and thisshaft will shift the valve 81 across the coin chute 71, as shown in Fig. 10 of the drawings, and thereby direct the coin outwardly through the opening 82 and thence through an opening 86 formed in the transverse partition 20. The spring 85 will of course, through the medium of the arm 83, return the valve 81 to its normal position, as clearly shown in Fig. 9 of the drawings.

In order to signal that persons other than the'proper persons are withdrawing the coin, the following mechanism is employed: Disposed within the compartment D and secured to the side wall 11 thereof is a bell 87. A bell crank vibrating lever 88 is fulcrumed at its angle. as at 89, to the side wall 11 below the The shaft 75 adjacent the bell 87. This lever includes diverging arms I 83 is depressed, due to a person actuating the valve 81, the lever88 will be rocked upon its g 87, and thereby signal that the co fulcrum and the head 92 will engage the bell 4 in is being deflected from the cashdrawer 16. I

I My inventionfurther comprises a mecha-' nism for lndicating the number of tunes the telephone has been used; This mechanism Consists ofa pair of opposed plates 93 which are mounted upon the horizontal partition V q 19., These plates. are centrally connected by a pin94, and rotatably mounted upon this pin is a disk 95 which is formed on its 2 periphery with a series of ratchet teeth 96.

cured to :the horizontal'partition 19in advance of the d'isk95 is'a bracket 98 which comprises a base 99 having one endbent upwardly toform a vertical leg 100, the end thereof being bent laterally to form a head 101 which"is formed with a longitudinal opening 102. Formed in the top 12 of the casing is an opening 103, and slidable in this openingis a'pull rod 104, the lower end thereof operating within the opening 102 of the bracket 98. Thelower end of the rod 104 is bent laterally to form a stop 105 which engages with the head101 to limit the upward movement of said rod. .A gravity pawl 106 is pivotally connected, as at 107,

v to the rod 104, and this pawl has slidable en gagement with the ratchet'teeth 96 of the disk 95. Theupper end of the rod 104 entends above the top 12 of the. casing, and 1s pivotally-connected, as at 108, to one end of alongitudinally.disposed lever 109. This leverextends across the casing and telephone andiis' fulcrumed intermediate its ends,

as at 110, toa bracket 111 which is secured to the-top 1201? said casing. The free end of the lever 109 is disposed above the receiver 4 hook? of the telephone A, and is formed with a plurality of openings 112. A U- shaped pull rod 113 has its connecting portion disposed around the receiver hook 7,

'andhas. the ends of its legs laterally bent for engagement within a pair of openings 112.

p In operation, as soon as the receiver 8 is withdrawn from the hook 7, the hook immediately raises by the action of the spring however, as thereceiver 8'is positioned upon I j the hook 7 saidhook will be caused to gravi- (notshown) and which is common in all telephones, andas result, the weight of the pull rod 104 will cause the. lever 109 to rock upon its fulcrum 110, thereby causing the pawl -106 fto 'dropl downwardly over the ratchet tooth 96 of, the disk95. As soon,

tate and throughithe medium of; the pull rodj113lwil1 return the lever 109 to its initialposit iomthis movement ofthe lever elevating'lthe pull rod 104 and, consequently Q causing, the pawl 106 to rotate'the disk 95 for a distance equalto the Width of one tooth. As a-result, the number of times the phone has been used may be readily ascertained by viewing the scale 97 through the opening 114 formed in one of the plates 93.

What is claimed is:

1. In a coin-operated telephone attachment, the combination of a casing including a door, a latch for said door, a coin connected plunger including upper and lower sections, a rocking element tulcrumed upon the casingand having pivotal and adjustable connection at one end with the lower plunger section, a connection between the latch and'the rocking element for releasing the former upon movement in one direction of the lower plunger section, and a spring 7 tension of the spring, a coin connected plunger including upper and lower sections, a rocking element fulcrumed upon the casing and having pivotal and adjustable connection at one end with the lower plunger section, a connection between said element and the end of the latch leveropposite its door engaging end for releasing said lever upon movement in one direction of the plunger, and a spring connecting the rocking element and the casing for returning said latch and plunger to their initial positions.

3. In a coin-operated telephone attachment, the combination of a casing including a door, a latch for said door, a coin connected plunger including upper and lower sections, a U-shaped rocking element having its legs each centrally fulcrumed upon the casing, the end of oneleg being bent laterally to form a pin having pivotal and adjustable connection with thelower plunger section, and a connection between the latch and the connection portion ofsaid element for releasing the former upon movement in one direction of the lower plunger section.

4. In a coin-operated telephone attachment, the combination of a casing including a swinging door, a spring for urging said door outwardly, a latch lever fulcrumed on the casing for locking said door against the tension of the spring, a coinconnected plunger including upper and lower sections, a

U-shaped rocking element having its legs each centrally fulcrumed upon the casing, the end of one leg being bent laterally to form a pin having pivotal and adjustable connection with the lower plunger section, a rodpivotally connected at one'end tothe connecting portion of the rocking element and at its other end to the end of the latch lever opposite its .door engaging end for releasing said lever upon movement in one directlon of the lower plunger sectlon, and a spring connecting the connecting portion of the rocking element and the casing for returning said latch lever and lower plunger section to their initial positions.

5. In a coin operated telephone attachment, the combination of a casing including a door, a latch for said door, a" coin connected plunger including upper and lower sections, means connecting the latch and the lower plunger section for releasing the former upon movement in one direction of the latter, a rock shaft supported in the casing, a rocker arm connected to the shaft and having pivotal connection with the upper plunger sectlon, means for yieldably retain- Coplez 01' this patent may be obtained for five cents each, by addressing the Washington, D. 0.

ing the upper plunger section above and in spaced relation to the upper end of the lower plunger section a distance sufiicient to receive a coin, said upper section having means for positively holding a coin against slippage from the lower plunger as the plunger sections move downwardly, and a finger lever connected to the upper plunger section for depressing the latter against the tension of said yieldable means.

In testimony whereof, I afiix my signature, in presence of two witnesses.

ELMER E. MURRAY.

Witnesses:

L. A. MoDownLL, A. E. WOOLRIDGE.

Commissioner of Patents, 

